Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Atrioventricular canal
Introduction
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Synonyms and related keywords: Atrioventricular (AV) canal; complete AV canal; complete common AV canal; endocardial cushion defect.
Overview
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Overview
Atrioventricular canal is the combination of an atrial septal defect), a ventricular septal defect, and anatomical abnormalities of the tricuspid and mitral valves.
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [3]
Pathophysiology
Pathophysiology
Gross Pathology
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Atrioventricular Canal: Gross right ventricular view of canal defect -
Atrioventricular Canal: Gross left ventricle view of canal defect (very good example) -
Atrioventricular Canal: Gross (an excellent example of very large lesion) -
Atrioventricular Canal: Gross infant heart (well shown) -
Atrioventricular Canal -
Atrioventricular Canal -
Atrioventricular Canal: Gross patch repair of defect seen from left side showing left atrial portion extending into a cleft mitral valve -
Atrioventricular Canal: Gross corrected defect with patch viewed from left side atrium and cleft mitral valve -
Atrioventricular Canal: Gross fixed tissue opened LV showing large A component and apparently small V component now repaired with a patch of pericardium single valve case 11mo old male operative death -
Atrioventricular Canal: Gross fixed tissue close-up view of A and V components closed with pericardial patch photo shows deformed left atrioventricular valve leaflet up ( a close view and very good demonstration) -
Atrioventricular Canal: Gross fixed tissue rather good view of this lesion from the opened left atrium and ventricle -
Congenital heart disease, artrio-ventricular (AV) canal -
Congenital heart disease, artrio-ventricular (AV) canal -
Congenital heart disease, artrio-ventricular (AV) canal -
Av Canal with Left Side Bjork Shiley Prosthetic Valve: Gross, natural color, a close-up view of valve and the bridging defect
Examples
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Reference
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [3]
Differentiating Atrioventricular canal from other Disorders
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References
Epidemiology and Demographics
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References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Natural History, Complications and Prognosis
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References
Diagnosis
Diagnosis
History and Symptoms | Physical Examination | Electrocardiogram | Chest X Ray | Echocardiography | Other Imaging Findings | Other Diagnostic Studies
Treatment
Treatment
Medical Therapy | Surgery | Cost-Effectiveness of Therapy | Future or Investigational Therapies
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [3]